Rated 4.50 out of 5 based on 22 customer ratings
(22 customer reviews)

BMW N55B30 Engine

$4,000.00

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SKU: MVQUP
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 BMW N55B30 Engine – 335i / 135i (Low Mileage OEM Assembly)

This is a BMW N55B30 3.0L turbocharged inline-6 engine used in the BMW 335i and BMW 135i.

It’s a modern single twin-scroll turbo engine designed to replace the older N54, offering improved reliability, smoother power delivery, and better efficiency.

This listing is for a complete OEM engine assembly, typically used for engine swaps, replacements, or rebuild projects.

 Key Specifications

  • Engine Code: N55B30
  • Configuration: Inline-6, turbocharged
  • Displacement: 3.0L
  • Fuel System: Direct injection
  • Turbo: Single twin-scroll turbocharger
  • Drive Layout: RWD / AWD compatible (variant dependent)

 Performance Overview

  • Smooth and linear power delivery
  • Strong mid-range torque
  • Stock output around 300–320 hp (varies by model)
  • Excellent tuning potential (common upgrades push 400+ hp)

 Why the N55 Is Popular

  • More refined than the older N54 platform
  • Improved thermal management and reliability
  • Widely used across multiple BMW models
  • Strong aftermarket and swap support

 Vehicle Fitment

Common donor vehicles include:

  • BMW 335i
  • BMW 135i
  • BMW 1 Series (select trims)

 What’s Typically Included

  • Complete long block (block + head)
  • Turbo system (integrated)
  • Basic engine accessories (varies by seller)
  • OEM factory assembly

 

22 reviews for BMW N55B30 Engine

  1. Rated 5 out of 5

    Paula Correia (verified owner) –

    Style 68 for E36 M3 – light and strong. Powdercoated silver. Lug seats are perfect. genuinecarpartsforsale is trustworthy.

  2. Rated 5 out of 5

    Carlos Ramirez (verified owner) –

    N74 V12 for my G11 760i – twin-turbo glory! No oil consumption after 1k miles. Unreal quality for a used engine.

  3. Rated 5 out of 5

    Sophie Dubois (verified owner) –

    N62 engine for my E60 550i – Valve seal issues gone! This site is a lifesaver for BMW V8 owners. Thanks a million.

  4. Rated 4 out of 5

    Victor Santos (verified owner) –

    S62 engine for my E39 M5 – holy grail achieved! Came with compression test results. genuinecarpartsforsale exceeds expectations.

  5. Rated 5 out of 5

    Noah Williams (verified owner) –

    S85 V10 for my M5 – yes, it’s a risk, but this one was perfect. Long live the V10! genuinecarpartsforsale is legit.

  6. Rated 4 out of 5

    Thomas Müller (verified owner) –

    S50 engine for my E36 M3 USDM – VANOS works perfectly. Compression across cylinders was even. Very trustworthy vendor.

  7. Rated 5 out of 5

    Olivier Moreau (verified owner) –

    F80 M3 gearbox (manual) – third gear lockout is gone. Shifts like a bolt action rifle. 100% satisfied with genuinecarpartsforsale.

  8. Rated 4 out of 5

    Miguel Torres (verified owner) –

    N52 engine for my E90 330i – no more lifter tick. The engine looked cleaner than the photos. Will buy another for my wife’s car.

  9. Rated 4 out of 5

    Gilles Fontaine (verified owner) –

    BMW F30 M-sport big brake kit – 4-piston fronts. Stopping power is incredible. Came with pads and sensors. genuinecarpartsforsale saved me.

  10. Rated 5 out of 5

    Laura Garcia (verified owner) –

    N74 V12 for my G11 760i – twin-turbo glory! No oil consumption after 1k miles. Unreal quality for a used engine.

  11. Rated 4 out of 5

    Chen Wei (verified owner) –

    S62 engine for my E39 M5 – holy grail achieved! Came with compression test results. genuinecarpartsforsale exceeds expectations.

  12. Rated 4 out of 5

    Romain Chevalier (verified owner) –

    E21 320i gearbox (245 overdrive) – rare dogleg. Works perfectly after fluid change. Vintage parts with modern service.

  13. Rated 4 out of 5

    Andreia Lopes (verified owner) –

    F87 M2 competition brake rotors – OEM quality. No runout. The anti-corrosion coating works. genuinecarpartsforsale is my brake source.

  14. Rated 5 out of 5

    Isabella Rossi (verified owner) –

    BMW S63 engine for my X6M – absolute beast! Shipping was fast and the customer service helped with my questions. Highly recommend this site.

  15. Rated 5 out of 5

    Olivier Moreau (verified owner) –

    E34 euro smiley headlights (Bosch) – glass lenses no cracks. Light output is amazing. Classic upgrade done right.

  16. Rated 4 out of 5

    Yvonne Schneider (verified owner) –

    ZF 9HP for X1 F48 – rare but you had it. My wife loves the smooth shifts. Thanks for saving our family trip budget.

  17. Rated 5 out of 5

    Mamadou Diallo (verified owner) –

    E70 X5M front bumper – included the lower mesh and fog lights. Direct bolt-on to my X5. genuinecarpartsforsale made my day.

  18. Rated 4 out of 5

    Diego Herrera (verified owner) –

    The M20 engine for my E30 restoration came exactly as described. No hidden surprises. genuinecarpartsforsale is my new go-to for BMW parts.

  19. Rated 4 out of 5

    Daniel Schmidt (verified owner) –

    Ordered a rebuilt M62 for my E39 540i. It fired up first try. The reviews on the site helped me trust the product. Keep up the great work!

  20. Rated 4 out of 5

    Halima Abdi (verified owner) –

    E39 540i 6-speed gearbox – hard to find but you had two! Installed one, kept one as spare. Thanks for the bulk deal.

  21. Rated 5 out of 5

    Patrick Renault (verified owner) –

    E38 740i sport bumper – the lip is one piece. No cracks from shipping. My 7-series looks 10 years younger. Thanks.

  22. Rated 5 out of 5

    Ananya Sharma (verified owner) –

    M21 diesel engine for my E28 524td – starts right up in cold weather. Hard-to-find part made easy. 10/10 experience.

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